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1
11
12 package org.eclipse.ui.internal.contexts;
13
14 import java.util.Collection  ;
15 import java.util.HashMap ;
16 import java.util.HashSet ;
17 import java.util.Iterator ;
18 import java.util.Map ;
19
20 import org.eclipse.ui.internal.util.Util;
21
22 final class ContextDefinition implements Comparable {
23 private final static int HASH_FACTOR = 89;
24 private final static int HASH_INITIAL =
25 ContextDefinition.class.getName().hashCode();
26
27 static Map contextDefinitionsById(
28 Collection contextDefinitions,
29 boolean allowNullIds) {
30 if (contextDefinitions == null)
31 throw new NullPointerException ();
32
33 Map map = new HashMap ();
34 Iterator iterator = contextDefinitions.iterator();
35
36 while (iterator.hasNext()) {
37 Object object = iterator.next();
38 Util.assertInstance(object, ContextDefinition.class);
39 ContextDefinition contextDefinition = (ContextDefinition) object;
40 String id = contextDefinition.getId();
41
42 if (allowNullIds || id != null)
43 map.put(id, contextDefinition);
44 }
45
46 return map;
47 }
48
49 static Map contextDefinitionsByName(
50 Collection contextDefinitions,
51 boolean allowNullNames) {
52 if (contextDefinitions == null)
53 throw new NullPointerException ();
54
55 Map map = new HashMap ();
56 Iterator iterator = contextDefinitions.iterator();
57
58 while (iterator.hasNext()) {
59 Object object = iterator.next();
60 Util.assertInstance(object, ContextDefinition.class);
61 ContextDefinition contextDefinition = (ContextDefinition) object;
62 String name = contextDefinition.getName();
63
64 if (allowNullNames || name != null) {
65 Collection contextDefinitions2 = (Collection ) map.get(name);
66
67 if (contextDefinitions2 == null) {
68 contextDefinitions2 = new HashSet ();
69 map.put(name, contextDefinitions2);
70 }
71
72 contextDefinitions2.add(contextDefinition);
73 }
74 }
75
76 return map;
77 }
78
79 private transient int hashCode;
80 private transient boolean hashCodeComputed;
81 private String id;
82 private String name;
83 private String parentId;
84 private String sourceId;
85 private transient String string;
86
87 ContextDefinition(
88 String id,
89 String name,
90 String parentId,
91 String sourceId) {
92 this.id = id;
93 this.name = name;
94 this.parentId = parentId;
95 this.sourceId = sourceId;
96 }
97
98 public int compareTo(Object object) {
99 ContextDefinition castedObject = (ContextDefinition) object;
100 int compareTo = Util.compare(id, castedObject.id);
101
102 if (compareTo == 0) {
103 compareTo = Util.compare(name, castedObject.name);
104
105 if (compareTo == 0) {
106 compareTo = Util.compare(parentId, castedObject.parentId);
107
108 if (compareTo == 0)
109 compareTo = Util.compare(sourceId, castedObject.sourceId);
110 }
111 }
112
113 return compareTo;
114 }
115
116 public boolean equals(Object object) {
117 if (!(object instanceof ContextDefinition))
118 return false;
119
120 ContextDefinition castedObject = (ContextDefinition) object;
121 boolean equals = true;
122 equals &= Util.equals(id, castedObject.id);
123 equals &= Util.equals(name, castedObject.name);
124 equals &= Util.equals(parentId, castedObject.parentId);
125 equals &= Util.equals(sourceId, castedObject.sourceId);
126 return equals;
127 }
128
129 public String getId() {
130 return id;
131 }
132
133 public String getName() {
134 return name;
135 }
136
137 public String getParentId() {
138 return parentId;
139 }
140
141 public String getSourceId() {
142 return sourceId;
143 }
144
145 public int hashCode() {
146 if (!hashCodeComputed) {
147 hashCode = HASH_INITIAL;
148 hashCode = hashCode * HASH_FACTOR + Util.hashCode(id);
149 hashCode = hashCode * HASH_FACTOR + Util.hashCode(name);
150 hashCode = hashCode * HASH_FACTOR + Util.hashCode(parentId);
151 hashCode = hashCode * HASH_FACTOR + Util.hashCode(sourceId);
152 hashCodeComputed = true;
153 }
154
155 return hashCode;
156 }
157
158 public String toString() {
159 if (string == null) {
160 final StringBuffer stringBuffer = new StringBuffer ();
161 stringBuffer.append('[');
162 stringBuffer.append(id);
163 stringBuffer.append(',');
164 stringBuffer.append(name);
165 stringBuffer.append(',');
166 stringBuffer.append(parentId);
167 stringBuffer.append(',');
168 stringBuffer.append(sourceId);
169 stringBuffer.append(']');
170 string = stringBuffer.toString();
171 }
172
173 return string;
174 }
175 }
176 |
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